- ContentList::iterator i = find (_content.begin(), _content.end(), c);
- if (i != _content.end ()) {
- _content.erase (i);
+ pair<Time, Time> range (TIME_MAX, 0);
+ for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
+ range.first = min (range.first, (*i)->position ());
+ range.second = max (range.second, (*i)->position ());
+ range.first = min (range.first, (*i)->end ());
+ range.second = max (range.second, (*i)->end ());
+ }
+
+ Time pos = range.second;
+ for (int i = 0; i < n; ++i) {
+ for (ContentList::iterator i = c.begin(); i != c.end(); ++i) {
+ shared_ptr<Content> copy = (*i)->clone ();
+ copy->set_position (pos + copy->position() - range.first);
+ _content.push_back (copy);
+ }
+ pos += range.second - range.first;